Master's MateSafety Initiative Network
The Master's Mate Safety Initiative Network (MMSIn) — like AAA for the ocean, but free & community-driven. Cruisers keeping each other safe: anchor-drag & distress alerts, a verified captains directory, and a watch network that has your back.
Tug
KEUM OH T5
MMSI 440009900 · Call sign 9220;
Not yet on Master's MateType
Tug
Flag
KORDraft
4 m
Call sign
9220;
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
47
Flying the South Korean flag, KEUM OH T5 is a harbour tug. Below, she has a draft of 4 m. On AIS she shows as MMSI 440009900, call sign 9220;. The Master's Mate Safety Initiative Network welcomes KEUM OH T5 — free to join, cruiser-run, and always on watch.
Free forever · No credit card · for working boats
Built for boats that work — like KEUM OH T5.
Engine & systems telemetry, live AIS, weather and distress alerting for the vessels that earn their keep.
Rig her out — free →Takes 60 seconds · Your data stays yours · Built by cruisers, for cruisers
Live AIS position · Jun 9, 2026 22:58 UTC
Position
35.0553° N, 128.9997° E
Status
Under way (engine)
Speed
0.0 kn
Course
256°
Working the Sea of Japan? You're never out there alone.
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Joining the Safety Initiative Network doesn't just put KEUM OH T5 on the map. It hands you the full bridge:
Systems Monitoring
Batteries, bilge, tanks, Victron & NMEA 2000 telemetry — your whole boat on one dashboard.
Live AIS & Traffic
See every vessel around you in real time. Closest-approach warnings before they matter.
Weather & Routing
GRIB wind, swell & current on the chart. Plan passages with ETA-calibrated forecasts per leg.
Distress Mesh
Mayday & Pan-Pan that ripple out to nearby cruisers — a watch network that has your back.
Anchor Watch
GPS-precise drag alarms that actually wake you — and your whole crew. Sleep through the night.
Worldwide Charts
Navionics-grade vector charts, satellite & raster overlays, online or off. Your whole cruising ground.
Onboard Cameras
Watch your boat from anywhere — live feeds and 24h recording, straight from your gateway.
Hail Any Captain
A verified captains directory + direct hailing. Reach the boat next to you, or across the bay.
Claim KEUM OH T5 and switch it all on
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About KEUM OH T5
What kind of vessel is KEUM OH T5?
KEUM OH T5 is a Tug flagged to South Korea.
Where was KEUM OH T5 last seen?
KEUM OH T5 was last reported in the Sea of Japan in Jun 2026 on public AIS.
What is KEUM OH T5's MMSI?
KEUM OH T5's MMSI is 440009900. Call sign 9220;.
Is KEUM OH T5 on the Master's Mate Safety Initiative Network?
Not yet. If KEUM OH T5 is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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